david blaine ended what he now says is his final endurance stunt. the illusionist went 72 hours, no food standing there wearing a chain jail suit surrounded by low current million volt coils. a visibly weak david blaine was wheeled into an ambulance to be examined. he can't believe it himself but he finished it. >> and smiling, too. >> i'm skeptical. i'm thinking at 3:00 a.m. no one is watching. maybe i'll take a little break. grab a slice of pizza. i'm lynn berry. this is "first look" on msnbc. stay tuned. "way too early with willie geist" starts right now. >> four weeks until election day. new polls show mitt romney clawing his way back into the race after that first debate. the question is, what will shift the trend lines over the next 28 days to decide this airtight election? >>> a congressional investigation now into what happened to the united states consulate in libya leading to the death of ambassador chris stevens and three other americans? the question is, why was a request from stevens for additional security declined? we'll look into tha